Once upon a time, the United States was a land of unparalleled freedom. The rest of the world envied the freedom that ordinary Americans had to think, say and do what they wanted. But all of that has changed. Now Americans have to fear that they will be tackled by a squad of security goons and dragged off to a detention facility somewhere if they spill a Pepsi on a flight attendant or take a few too many pictures of a public building.